Home / 19,477.18-26,876.37-11,925.42

Finding the Fourth Proportional to 19,477.18, 26,876.37 and 11,925.42

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Solution

The fourth proportional to 19,477.18, 26,876.37 and 11,925.42 is: 16,455.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.18 : 26,876.37 = 11,925.42 : x
  2. Step 2: Convert to fraction form
    19,477.18/26,876.37 = 11,925.42/x
  3. Step 3: Cross multiply
    19,477.18x = 26,876.37 × 11,925.42
  4. Step 4: Simplify right side
    19,477.18x = 320,512,000.33
  5. Step 5: Solve for x
    x = 320,512,000.33/19,477.18
  6. Step 6: Final answer
    x = 16,455.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.